Current sea water temperature:
+39.2°F
| Minimum sea water temperature in December: | 54.0°F |
| Maximum sea water temperature in December: | 39.0°F |
| Average sea water temperature in December: | 45.8°F |
| more information | |
14 days
forecast
forecast
| Jersey City |
monthly
weather
weather
| Jersey City |
Sea water temperature for the last 10 days:
| December 30 | 39.2°F | December 25 | 40.8°F |
| December 29 | 39.0°F | December 24 | 40.3°F |
| December 28 | 39.4°F | December 23 | 40.1°F |
| December 27 | 39.2°F | December 22 | 41.0°F |
| December 26 | 41.0°F | December 21 | 40.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Jersey City?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jersey City was noticed in August, July and September.
Monthly Sea Temperatures in Jersey City, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.8°F. The highest and lowest sea temperatures during the month were 78.3°F and 72.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 79.3°F and 72.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.2°F. The highest and lowest sea temperatures during the month were 72.7°F and 69.4°F.
current
weather
weather
| Jersey City |
weather in
January
January
| Jersey City |
Best time for vacation in Jersey City
Jersey City on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jersey City
Local time: 18:24
December 30, tuesday
2100
27°F
E
16 mph
16 mph
December 31, wednesday
0000
25°F
E
14 mph
14 mph
0300
25°F
E
14 mph
14 mph
0600
25°F
NE
13 mph
13 mph
0900
28°F
NE
13 mph
13 mph
1200
34°F
NE
15 mph
15 mph
1500
36°F
NE
13 mph
13 mph
1800
34°F
NE
12 mph
12 mph
